mathematical formula

Shannon to probability and mathematical statistics as a tool to measure the amount of information put forward a mathematical formula for the discrete source, when it was formed by a number of random events, random events occur with the uncertainty de

"Algorithm" is used to implement a data mining technologies - such as the classification tree analysis, and so identify the specific program. "Property" is also known as the "characteristics", "variable", or from a

Ease of use is not enough (translation) Author: Ruan Yifeng Date: January 30, 2009 During the Spring Festival, I did two things. The first thing is to participate in a number of relatives and friends gathering, eating a lot of high-calorie high-fat f

Original Source: http://ivarptr.blogspot.com/2011/05/bitcoin.html , reproduced Keep the original source. Bitcoin is a hot topic recently, but very little information in Chinese, this article will not comment on the significance and advantages and dis

The so-called Fibonacci sequence refers to a series, the former two are one, are from the third start of the first two combined. With a mathematical formula is: 1 (n = 1,2) fib (n) = fib (n-1) + fib (n-2) (n> 2) Can permit Ming Feibo of Number of gen

Exercise 1.6 Because there is new-if cond vest, if do not have the special nature. One of the predicate and the then-clause will be passed as an argument cond, two statements will be run. So not run the correct result. Two processes by trace, you can

Formula compiled function: to achieve formation of complex mathematical formulas. Principle is implemented in the compiler to select a symbol type, at compile box in a coded form is displayed. Many use the Internet to do LaTex compiler is basically a

The first step for SQL optimization, make it clear what is SQL optimization, our ancestors said, to know ourselves, to know yourself. Share my experience in the optimization before talk about what is SQL optimization. SQL optimization, the name sugge

The first step in the SQL optimization, must be clear what is the SQL optimization, our ancestors say, know ourselves, to know yourself. To share my experience in the optimization of the former, let us talk about what is the SQL optimization. SQL opt

The first step in the SQL optimization, must be clear what is the SQL optimization, our ancestors said, Know thyself, know yourself. To share my experience in the optimization of the former, let us talk about what is SQL optimization. SQL optimizatio

Bayesian regarded as the most effective anti-spam technology, effective filtration rate is 98%, the network on some of this information, but not Bijiao obscure Jiu Shi evasive, So this article hopes to more popular, but also introduces the technology

In this class, we added on the basis of texture mixing, it looks transparent effect, of course, it is not so easy to explain, of course, hope you like it. Simple and transparent OpenGL in the vast majority of effects are related to certain types of (

[Description] problem: given a n-digit binary number, statistics on the number 1 ] [Algorithms: the binary number according to each of two groups, in each of the two in a number of, stored in a binary number in. Then the above iterative process, it h

Write down their own look. Questions: (CSDN seen) A farmer raising a cow, three years later, the cow will give birth to a cow each year, born three years after the cattle, but also give birth to a cow every year ... ... after 10 years, asked a farmer

Geometric formulas and theorems (middle) some commonly used mathematical formula 1 had two points and only a straight line 2, the shortest line between two points 3, the supplementary angle with the same angle or isometric 4 with the same angle or is

Sent before the tutorial, I would like to thank the friends, a classic, he describes a mathematical formula editing software MATHTYPE, told me to write this tutorial has been of great help. But who can not remember a time, it can not find to. If you

[Sine, cosine] ] [Dot (dot product) Also known as the scalar product, as shown below: Note that the dot product result is a scalar: Number of product line with the exchange of law: [Cross product] (cross product) Also known as the vector product, the

Author: Zhou Zhongyuan http://web.tongji.edu.cn/ ~ yangdy / research.html ---- Large information systems are often very complicated, it is difficult to directly analyze the design, often using models to design the analysis system. Model is the real w

Haskell is a "pure" functional language, can explain the operation cost can also compile code. The process of their generally compiled into C code, Mr. (said to be the exact C -), then use the built-in gcc compiler. Haskell compiled small size,